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Thread: LQ4 cam........not a typical question

  1. #1
    Join Date
    Jan 2009
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    Pittsburgh
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    LQ4 cam........not a typical question

    got me a 2500hd with an nv4500 5 speed, granted its not race truck, its a powerhouse that goes 25 mph in second gear. so.........im looking for a low end cam for an ls motor. the majority make power as the rpm;s go up, is there a company around that makes an off idle cam for a lsx? also does anybody on this site have experience with this type of cam in lsx.
    If You cant find em' Grind em'!

    04 ECSB 2500 hd, 5 speed-NV 4500, CAI, Bullets, 285 Mt's

    02 WS6

  2. #2
    Join Date
    Jul 2008
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    Racoon Twp., PA
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    think an ls6 cam is what you want, think thats what i have seen on here before.
    2013 CC 5.3
    81 C10 LS1 project

  3. #3
    Join Date
    Nov 2007
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    Pittsburgh, PA
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    3,581
    you want FI and if you want grunt for now do gears. your truck makes plenty of lowend for what it is
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  4. #4
    Join Date
    Jul 2008
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    329
    Stay away from the LS6 cam - it bleeds off low RPM torque with its late intake valve closing. It's more intended as a high RPM cam in light-weight vehicles, like Vettes. With your 3-ton beast, you need a cam that closes the intake valve early (like the LQ4 cam), but has more duration and lift. I would recommend the following two cams. Either would boost low-RPM torque and rev to about 5500.

    Comp XR259HR 206/212 .515/.522 112

    Crane 1449531 208/216 .530/.530 113 (Grind# HR-208/312-2S-13.53)

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